<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <input type="text" v-model="user.username">
        {{user.age}}
        <h3 v-html="user.username"></h3>
        <h3>{{user.username}}</h3>
        123
        <h3>{{user.username}}</h3>
        <h3>{{user.username}}</h3>
    </div>
    <script src="./mvvm1.js"></script>
    <script>
        let vm = new MVVM({
            el:'#app',
            data:{
                user:{
                    username:'lili',
                    age:18
                },
                info:'1709A'
            }
        })

        
        // function play(key,time,cb){
        //     key++;
        //     cb(key);
        // }

        // play(1,1000,(two) => {
        //     console.log(two)
        //     play(two,2000)
        // })

        
        
    </script>
</body>
</html>